Ever been to a dyno? It measures torque and hp at the wheels. Typically all cars dyno in the gear closest to 1:1 which iirc is 5th gear in the m3...

Perhaps a nit, but chassis dynos don't measure torque. They directly measure power thru acceleration of a known mass (with a known rotational inertia) at known speeds.

Proof point: If you don't hook up a sensor to a plug wire to get rpm, you'll still get a power curve, but no torque curve. Getting rpm means you can then calculate the torque curve.

Running the rollers in differing gears will get you similar results, because greater acceleration of the rollers in, say, first gear is offset by that happening at lower speeds - in a proportional way.

Perhaps a nit, but chassis dynos don't measure torque. They directly measure power thru acceleration of a known mass (with a known rotational inertia) at known speeds.

Proof point: If you don't hook up a sensor to a plug wire to get rpm, you'll still get a power curve, but no torque curve. Getting rpm means you can then calculate the torque curve.

Running the rollers in differing gears will get you similar results, because greater acceleration of the rollers in, say, first gear is offset by that happening at lower speeds - in a proportional way.

Bruce

Fair enough, and good info.

Regardless, for the purposes of a discussion of relative tq between cars, i accept the calculated tq values from a dyno to be adequate

Ever been to a dyno? It measures torque and hp at the wheels. Typically all cars dyno in the gear closest to 1:1 which iirc is 5th gear in the m3...

Perhaps a nit, but chassis dynos don't measure torque. They directly measure power thru acceleration of a known mass (with a known rotational inertia) at known speeds.

Proof point: If you don't hook up a sensor to a plug wire to get rpm, you'll still get a power curve, but no torque curve. Getting rpm means you can then calculate the torque curve.

Running the rollers in differing gears will get you similar results, because greater acceleration of the rollers in, say, first gear is offset by that happening at lower speeds - in a proportional way.

Guessing this is a v8? If it is I don't see the "upgrade" as the performance between this and the m3 is non-existent or neglible. Now if it was for simply looks than I totally get it. Or if its a V-10 than forget I said anything!

Also why would he need another daily driver? I don't get those comments as why would you not drive an R8 daily?

If I had a Zonda or something crazy than sure but even a ferrari I would daily drive. Why not?

Guessing this is a v8? If it is I don't see the "upgrade" as the performance between this and the m3 is non-existent or neglible. Now if it was for simply looks than I totally get it. Or if its a V-10 than forget I said anything!

Also why would he need another daily driver? I don't get those comments as why would you not drive an R8 daily?

If I had a Zonda or something crazy than sure but even a ferrari I would daily drive. Why not?

Yes its a v8. Im not a 0-60 guy, nor do i care about racing stoplight to stoplight. From a performance perspective it definitely feels faster than the M3, even tho i know its not. If you've driven one you know what I mean. The AWD allows for no tire spin off the line which i like more bc i dont have to worry about tire spin like I did on the RWD M. The r8 also feels way more planted and hugs the road so nicely. I came from a supercharged M3 and from a driveability standpoint, i much prefer the R8. Everyone is entitled to their own opinion though.

Regarding looks, this car has gotten more attention in the last 2 days than my M3 got in a year (ive been driving it a lot since Friday). The r8 draws camera phones everywhere, and Ive gotten the same amount of attention from women as from men, young and old, while driving or parked. Its spurred multiple coversations at gas stations and other stores, and when people inside stores see it pull up they come out and stare at the car. I actually didnt expect to get that much attention and have almost been hit twice while driving already from people trying to catch up and take pictures of the car. Its crazy! I like that it puts a smile on people's faces.

If they really wanted to keep the "gem" they could've saved a lot of money by just adding direct injection. Exactly what gm is doing with there ls3....

It's not coincidence that I don't want any of my cars to be DI. Thus why the next car I'll add to the M3 will be a 997.1 Turbo. At this point, I have no interest in dealing with carbon build up.

Quote:

Originally Posted by kmarei

Had this 2012 m3 after selling my MR 2008 m3

Got this

Why?
Because I realized I had more fun driving my e30, than I do in the e92
Ideally I'd have an e30 m3 with a s65

An E30 with an S65 completely defeats the purpose of having an E30 M3 in the first place. It's all about balance.

Having said that, she's beautiful. I need to get my E30 back on the road. It's just such a classic look.

Quote:

Originally Posted by Giggs

Yes its a v8. Im not a 0-60 guy, nor do i care about racing stoplight to stoplight. From a performance perspective it definitely feels faster than the M3, even tho i know its not. If you've driven one you know what I mean. The AWD allows for no tire spin off the line which i like more bc i dont have to worry about tire spin like I did on the RWD M. The r8 also feels way more planted and hugs the road so nicely. I came from a supercharged M3 and from a driveability standpoint, i much prefer the R8. Everyone is entitled to their own opinion though.

Regarding looks, this car has gotten more attention in the last 2 days than my M3 got in a year (ive been driving it a lot since Friday). The r8 draws camera phones everywhere, and Ive gotten the same amount of attention from women as from men, young and old, while driving or parked. Its spurred multiple coversations at gas stations and other stores, and when people inside stores see it pull up they come out and stare at the car. I actually didnt expect to get that much attention and have almost been hit twice while driving already from people trying to catch up and take pictures of the car. Its crazy! I like that it puts a smile on people's faces.

Are you worried about carbon build up at all? I love the way these things look, nothing like it out there. Congrats!

Yes its a v8. Im not a 0-60 guy, nor do i care about racing stoplight to stoplight. From a performance perspective it definitely feels faster than the M3, even tho i know its not. If you've driven one you know what I mean. The AWD allows for no tire spin off the line which i like more bc i dont have to worry about tire spin like I did on the RWD M. The r8 also feels way more planted and hugs the road so nicely. I came from a supercharged M3 and from a driveability standpoint, i much prefer the R8. Everyone is entitled to their own opinion though.

Regarding looks, this car has gotten more attention in the last 2 days than my M3 got in a year (ive been driving it a lot since Friday). The r8 draws camera phones everywhere, and Ive gotten the same amount of attention from women as from men, young and old, while driving or parked. Its spurred multiple coversations at gas stations and other stores, and when people inside stores see it pull up they come out and stare at the car. I actually didnt expect to get that much attention and have almost been hit twice while driving already from people trying to catch up and take pictures of the car. Its crazy! I like that it puts a smile on people's faces.

Yep. This car is chick magnet compared to the M3 which is a dude magnet. Dad just got one and I drove it to Starbucks to meet up with some friends. I was 20 mins late because I was answering questions from a group of 5 girls sitting outside Starbucks that saw me rolling in with this beast! Too bad I have a gf that I don't plan to cheat on! Lol.

I am not saying you should not have gotten it, clearly you have your reasons and your happiness is all that matters!

I am assuming you are a car guy and know everything about these audi V8's in your car and the past RS4 and current RS5 but if you got yours used I would immediatly get a carbon cleaning of the valves. These things lose power like there is no tomorrow with carbon build up and even brand new seem to dyno quite low. So to keep the power at its best definetly get a carbon cleaning every 10-15k.

The S65 is just such a better engine I would have a very hard time going to an audi with that V8 only because it really does not make stated power and carbon build up is terrible. Even the new RS5 with "450hp" is putting down nowhere near that and is putting out 350 to the wheels. Something about those FSI 4.2 L V8's just don't seem to put out what they are rated

But I admit its the sweetest looking and sounding car so you definetly made a great choice given your criteria!

I am not saying you should not have gotten it, clearly you have your reasons and your happiness is all that matters!

I am assuming you are a car guy and know everything about these audi V8's in your car and the past RS4 and current RS5 but if you got yours used I would immediatly get a carbon cleaning of the valves. These things lose power like there is no tomorrow with carbon build up and even brand new seem to dyno quite low. So to keep the power at its best definetly get a carbon cleaning every 10-15k.

The S65 is just such a better engine I would have a very hard time going to an audi with that V8 only because it really does not make stated power and carbon build up is terrible. Even the new RS5 with "450hp" is putting down nowhere near that and is putting out 350 to the wheels. Something about those FSI 4.2 L V8's just don't seem to put out what they are rated

But I admit its the sweetest looking and sounding car so you definetly made a great choice given your criteria!

Thanks for the tip on the carbon build up! Its definitely something Ive heard about and will keep an eye on. The car sure is a blast, and having to deal with a few more issues comes with car ownership in my opinion. Thankfully Im able to have another car in the event it goes down for repair. Also, I bought a premium warranty to cover it for the next 6 years and 60,000 more miles. Call me paranoid but I like peace of mind

Yep. This car is chick magnet compared to the M3 which is a dude magnet. Dad just got one and I drove it to Starbucks to meet up with some friends. I was 20 mins late because I was answering questions from a group of 5 girls sitting outside Starbucks that saw me rolling in with this beast! Too bad I have a gf that I don't plan to cheat on! Lol.

Haha nice! I bet you'll ask to drive it more often. Im engaged and would not consider cheating on my girl as well. But it doesnt hurt to tease those girls just like they tease us! Lol

Guessing this is a v8? If it is I don't see the "upgrade" as the performance between this and the m3 is non-existent or neglible. Now if it was for simply looks than I totally get it. Or if its a V-10 than forget I said anything!

Also why would he need another daily driver? I don't get those comments as why would you not drive an R8 daily?

If I had a Zonda or something crazy than sure but even a ferrari I would daily drive. Why not?

Sold my '11 E90 M to see if I can go back to driving domestic muscle cars. Bought a 392 Challenger SRT8 and regretted my decision almost immediately. Sold the the chally, bought a beater and just picked up a '13 Melbourne Red E92 M3 and will never buy another domestic car as long as I live.